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Alpha particles beamed at thin metal foil may a. pass directly through without changing direction b. be slightly diverted by attraction to electrons c. be reflected by direct contact with nuclei d. A and C e. A, B, and C

Assign the oxidation number for (NH4) 3PO4

What is an example of chemical weathering 1. acid rain falls on rocks 2. chemicals from plants on rocks 3. water reacting with minerals on rock 4. All

In which example is matter changing state? A. heating a pan of water until the water is all gone B. putting a soft drink can in the refrigerator to cool it C. heating soup on the stove until it is hot to your tongue D.

Which part of the atmosphere is the highest layer in which planes fly

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda